You're traveling a distance of 25 km on this moderate trail. This makes it a relatively long hike. Average length of all hikes in the Regions of Iceland is 61 km.
You shouldn’t forget to bring your hiking boots. There are some sections on the trail where sturdy footwear is required. If you get hungry along the way, there are places to rest and get food. Nevertheless it’s recommended to also have enough water and food in your backpack when hiking or biking.